using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using MsgBackend.Api.Repository;
using Microsoft.EntityFrameworkCore;
namespace MsgBackend.Api
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        private string allowCors="AllowCors";
        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            //跨域
            services.AddCors(Options=>{
                Options.AddPolicy(allowCors,builder =>
                {
                    builder.AllowAnyHeader()
                    .AllowAnyMethod()
                    .AllowAnyOrigin();
                });
            });

            // 注册数据库上下文到容器
            services.AddDbContext<MsgBackend.Api.Data.MsgDb>(options => options.UseSqlServer());

            // 注册对数据库的基本操作服务到容器
            services.AddScoped(typeof(IRepository<>), typeof(EfRepository<>));
            services.AddControllers();
    
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();

            }
            

            app.UseRouting();

            app.UseAuthorization();

            // 跨域
            app.UseCors(allowCors);

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });
        }
    }
}
